28710154

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:187

約数の個数: 48

約数和(自身を含む): 50561280

約数和(自身を除く): 21851126

約数列:

[1, 2, 11, 22, 31, 43, 62, 86, 89, 121, 178, 242, 341, 473, 682, 946, 979, 1333, 1958, 2666, 2759, 3751, 3827, 5203, 5518, 7502, 7654, 10406, 10769, 14663, 21538, 29326, 30349, 42097, 60698, 84194, 118637, 161293, 237274, 322586, 333839, 463067, 667678, 926134, 1305007, 2610014, 14355077, 28710154]

約数ペア:

[(1, 28710154), (2, 14355077), (11, 2610014), (22, 1305007), (31, 926134), (43, 667678), (62, 463067), (86, 333839), (89, 322586), (121, 237274), (178, 161293), (242, 118637), (341, 84194), (473, 60698), (682, 42097), (946, 30349), (979, 29326), (1333, 21538), (1958, 14663), (2666, 10769), (2759, 10406), (3751, 7654), (3827, 7502), (5203, 5518)]